Valve-operating mechanism.



E. TOBELER & w. SULLWOLI VALVE OPERATING MECHANISM. APPLICATION FILED DEC. 20, I916. 1,231,313 Patented July 3, 1917/.

2 SHEETS-SHEET I.

If f I E. TOBELER & W. SULLWOLD.

VALVE OPERATING MECHAMSM. APPLICATION FILED DEC. 20. l9l6.

LfiSLM $9 Patented; July 3, 1917.

2 SHEETS-SHEET 2.

gwuentou llhlllTED @TAlEfi PATENT EMIL 'IOBELER AND "WILLIAM SULLVTOLD, 0F DETROIT, MICHIGAN.

VALVE OPEBATING MECHANISM.

Application filed December 20, 1915.

To all whom it may concern:

Be it known that we, EMIL ToBnLnR, a subject of the Emperor of Germany, and WILLIAM SULLwoLn, a citizen of the United States, residing at Detroit, in the county of Wayne and .State of Michigan, respectively, have invented certain new and useful Improvements in Valve-0perating Mechanism, of which the following is a specification.

The present invention relates to intermittently actuated valve operating mechanism for engines, pumps, and like apparatus.

The invention has for its principal object to provide a novel operating mechanism, whereby, the valve of the engine or pump to which the same is attached will be intermittently operated in a manner such as will permit separate intake and exhaust operations of the fresh and spent products into and from the engine or pump.

It is a more specific object of the invention to provide a valve operating mechanism particularly adapted for use in multiple-cylinder engines or pumps whereby, the intake and exhaust ports thereof will. be successively opened and closed, thus, permitting each of the c linders to properly perform their functions.

A further object of the resent invention is to provide novel stop means for the valve actuating mechanism, whereby, the valves will be positively stopped or locked during each time the same are alined with the intake or exhaust ports of the engine or pump, thus, permitting proper function of the valve during the intake or exhaust periods and allowing the same to be maintained in full alined positions therethrough.

The invention consists, furthermore, in the novel arrangement and combination of the parts of the mechanism, as well as in the details of the construction of the same, all of which will be more fully described in the following specification and then finally embodied in the clauses of the claim, which ar appended to the specification and which form an essential part of the same.

The invention is clearly illustrated in the accompanying drawings, in which:

Figure 1 is a vertical elevation of an internal combustion engine parts thereof being removed and having our improved valve operating mechanism attached thereto, the said mechanism being partially shown in section; A

Specification of Letters Eatent.

Patented July 3, ltd?" Serial No. 138,078.

Fig. 2 is a fragmental horizontal section through the engine;

Fig. 3 is a fragmental enlarged detail in section showing the arrangement of the stop means for controlling the movement of the valves; and

Fig. 4 is a detail in side elevation of the stop operating means.

Similar characters of reference are employed in all of the above described views to indicate corresponding parts.

Referring now more specifically to the several figures of the said drawings it will be noted that we have shown our improved valve operating mechanism as applied to a multiple cylinder internal combustion en gine, although, it will be understood that the invention is not limited to any particular application. In the disclosed embodiment, the engine casing is designated by the numeral 1 and is provided with the usual jacketing 2 whereby water or other like cooling medium may be passed about the various cylinders of the engine in order that the same will be maintained in proper condition during explosive operation. The marginal edges of the housing 1 are provided with a plurality of apertured ears, generally indicated by the numeral 3 and providing means whereby an end cover plate l may be placed thereover and secured thereto by passing screws 5 or the like into the threaded apertures of the said ears 3. Rotatable multiple way valves 6 and 7 are mounted within said suitable chambers arranged on the opposite sides of the various engine cylinders and are adapted to successively aline at predetermined intervals with the intake and exhaust ports thereof, thus permitting the intaking of fresh fuel and the exhaustion of the same when spent. On the outer end of the valves 6 and 7 we form reduced cylindrical extensions 9 and 10, cutting or otherwise forming in the peripheral surfaces thereofa plurality of staggeredly arranged pockets, indicated by the numerals 11 and 12, which pockets are adapted to receive tripping fingers whereby their respective valves may be intermittently rotated, the construction of which will be subsequently described. Pintles 13 and 14 are arranged upon the free ends of the annular extensions 9 and 10 and are rotatably received in bearing pockets 15 formed in the closure plate 4. Thus, it will be noted, that the rotatable multiple Way valves 6 and 7 are efiiciently supported within the engine housing for rotation. Other pockets 16 and 17 are formed in the extensions 9 and 10 at points beyond the pockets 11 and 12 and in proximity of the outer marginal edges thereof. Said pockets are adapted to receive therein, at times, slidable stop fingers, which will be hereinafter more fully described. Certain of the ends of the said pockets l6 and 17 may be and preferably are inclined and rounded, thus, facilitating removal of the stop fingers therefrom, and hence, proper rotation of the multi-way valves 6 and 7.

With a view toward providing means for causing rotation of the valves 6 and 7 in order that the various ways therein may be properly alined with the intake and exhaust ports of the engine, there is arranged upon the crank shaft of the engine a pinion 18, which pinion in turn, meshes with a train of gears 19, 20 and 21, the said gears being suitably mounted upon stub shafts as supported upon the cover plate 4. The upper gear 21 is arranged in proximity of the valves 6 and 7, specifically, intermediate the same and has alternately arranged upon the opposite faces thereof tripping fingers, generally indicated by the numeral 22, the outer ends of which ar beveled as at 23 in order that they may be readily engaged with the staggeredly arranged pockets 11 and 12. By arranging the tripping fingers 22 alternately upon the opposite faces of the gear 21, it will be appreciated, that each of the pockets 11 and 12 will be engaged thereby at predetermined intervals, thus, insuring proper intermittent rotation of the waives 6 and 7.

The object of the beveled ends of the tripping fingers is to provide clearance, to allow the proper rotation of the valve during their operation, as is clearly shown in Fig. 1 of the drawing.

To provide for means whereby the valves 6 and 7 will be positively stopped at the proper periods in order that the ways therein may be fully alined with the respective ports of the engine cylinders to permit a full intake and exhaustion thereof, a pair of fingers 24 are slidably arranged in ways 25 formed in the cover plate 4 and are provided, upon their upper ends, with reduced extensions 24', which extensions are adapted to be engaged with said pockets 16 and 17 as formed in the annular extensions 9 and 10, while other extensions 24 project laterally from the stop fingers, the purpose of which will be presently apparent.

A plurality of radially disposed cam projections 26 are arranged upon the stub shaft supporting the gear 21, while the said gear has aiiixed to its outer face an annular flange or ring 27, the inner surface of which is provided with a plurality of spaced apart cam faces, generally indicated by the numeral 28. It may be here noted, that the cam projections 26 and the cam faces 28, arranged in staggered relation, thus, causing the slidable finger 24 to be positively operated, that is, to move the said fingers into engagement with the pockets 16 and 17, the cam projections 26 bearing upon the bottoms of the fingers for moving them upwardly, while to return the same, the laterally projecting fingers 24 are engaged by the cam faces 28 arranged upon the inner surface or periphery of the annular flange 27.

The operation of the mechanism may be reviewed as follows:

Upon rotation of the engine crank shaft due to operation. of the various pistons as working within the engine cylinders, rotary motion will be transmitted through the medium of the train of gears 18, 19 and 20 to the gear 21, whereupon, the various alternately arranged tripping fingers 22 will be successively engaged in the pockets 11 and 12 as formed in the extensions upon the intake and exhaust valves 6 and 7, consequently, bringing the various ports thereof into successive engagement with the intake and exhaust ports of their respective cylinders and permitting the proper operation thereof. During the intermittent alinement of the ways of the rotatable valves 6 and 7 with the ports of the engine cylinders, the slidable fingers 24 with their pocket engaging extensions 24, will be moved, into engagement with the pockets 16 and 17 each time the same assumes full alined positions, locking the same and insuring proper intaking of the fresh fuel and like exhaustion of the spent gases to and from the cylinders of the engine and consequently, a full power or working stroke of the piston is produced, thus, providing a powerful drive for the engine. By reason of the inclined engaging portions of the cam projections, and faces 26 and 28, the portions of the slidable fingers 24 as engaged thereby will be permitted to readily slide over the same offering the least possible resistance thereto and not materially detracting from the driving power of the engine. v

Although we have in this embodiment specifically defined the improved valve operating mechanism as being adaptable for use in connection with internal combustion engines, we do not wish, as hereinbefore indicated, to be understood as confining the invention to this particular embodiment, nor to the exact construction, arrangement and adaptation of parts shown and described, but we reserve the right to make any changes and alterations as fairly fall within the spirit and scope of the invention.

We claim:

1. Valve operating mechanism, including rotatable means, tripping fingers carried by said rotatable means and engageablewith the valve for intermittently tripping the same, and slidable means arranged adjacent said rotatable means and actuated thereby at times for intermittently locking the valve in tripped position.

2. Valve operating mechanism, including rotatable tripping means, cam means on said tripping means, and slidable means arranged adjacent the tripping means adapted to be intermittently engaged by said cam means and moved into engagement with the valve for locking the same in tripped position.

3. Valve operating mechanism, including rotatable tripping means, an annular flange arranged upon said tripping means, cam

means on the annular flange, additional cam means carried by said tripping means, and slidable means arranged adjacent the tripping means and adapted to be intermittently engaged by said cams to be moved into and out of engagement with the valve for locking the same in tripped position.

4. Valve operating mechanism, including rotatable means, a plurality of alternately arranged tripping fingers carried by said rotatable means for intermittently tripping the valve, an annular flange formed upon said rotatable means, cam means on said annular flange, additional cam means on said rotatable means, and slidable means ar ranged adjacent the rotatable means adapted to be intermittently engaged by said cams to be moved into and out of engagement with the valve for locking the same in tripped position.

5. In valve operating mechanism, the combination with valves having pockets arranged in certain of the extremities thereof, of rotatable means, tripping fingers carried by said rotatable means for intermittently engaging said pockets to trip the valves, an annular flange on said rotatable means, cam means on said annular flange, additional cam means on said rotatable means, and slidable means arranged adjacent the rotatable means adapted to be intermittently engaged by said cam means and moved into and out of engagement with the valves for locking the same in tripped position.

6. In valve operating mechanism, the combination with valves having pockets arranged in certain of the extremities thereof. of rotatable means, tripping fingers carried by said rotatable means for intermittently engaging some of said pockets to trip the valves, an annular flange carried by said rotatable means, cam faces formed upon the inner. surface of said flange, other cam means rotatable with and arranged adjacent the axis of the rotatable means, said second mentioned means being arranged in relatively staggered relation to said first mentioned cam means, and slidable means arranged in proximity of the rotatable means adapted to be intermittently engaged by each of said cam means to be moved into and out of engagement with the remaining pockets of the valves for locking the same in tripped position.

In testimony whereof, We afiix our signatures hereto.

EMIL TOBELER. WILLIAM SULLWOLD.

Copies of this patent may he obtained for five cents each, by addressing the Commissioner of Eatents, Washington, D. G. 

